major field 大油气田
major field of study 主修科目
Major Field Test 专业考试
the major field of study 主要学科领域
one's major field of study 一个人的主修领域
Major Field Achievement Tests 专业领域成就测评
major oil and gas field [油气] 大油气田
major control field [计] 主控制字段 ; 主要控制字段
major class field 主类别栏
His sudden plunge into the field of international diplomacy is a major surprise.
他突然进入了国际外交领域,让人十分意外。
He schooled over two dozen Ph.D. students who themselves made major contributions to the field.
他培养了二十多名对该领域做出重大贡献的博士生。
Low pay has long been acknowledged as a major issue in the early childhood field.
长期以来,低工资一直被认为是儿童早教领域的一个主要问题。
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